Barbara Witherspoon, NP
NPI 1922196906 · Acute Care Nurse Practitioner · Knoxville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Witherspoon, NP is a Acute Care Nurse Practitioner provider in Knoxville, TN (NPI 1922196906).
Provider details
- NPI number
- 1922196906
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 6138 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
281 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 102 | $100 |
| Removal of Fingernails Or Toenails, 1-5 Nails11720 | 79 | $25 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 47 | $34 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 28 | $60 |
| Residence Visit for New Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 60 Minutes99344 | 25 | $112 |
Typical Medicare-allowed amounts for these services range $25–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-11
- Last updated
- 2009-05-14
Frequently asked questions
- What is Barbara Witherspoon's NPI number?
- Barbara Witherspoon's National Provider Identifier (NPI) is 1922196906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Witherspoon's specialty?
- Barbara Witherspoon is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Witherspoon located?
- Barbara Witherspoon's practice location on file with NPPES is 501 20th St, Knoxville, TN 37916-1809.
- What is Barbara Witherspoon's phone number?
- The practice phone number listed in the NPPES registry for Barbara Witherspoon is (865) 546-8040.
- Does Barbara Witherspoon accept Medicare?
- Barbara Witherspoon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Witherspoon's NPI active?
- Yes — Barbara Witherspoon's NPI (1922196906) is active in the NPPES registry as of the last update on 2009-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.